to trunk files for 2.5.6

git-svn-id: https://plugins.svn.wordpress.org/cyclone-slider-2/trunk@748130 b8457f37-d9ea-0310-8a92-e5e31aec5664
updated stable tag to 2.5.6

git-svn-id: https://plugins.svn.wordpress.org/cyclone-slider-2/trunk@748132 b8457f37-d9ea-0310-8a92-e5e31aec5664